AQI index

Hanoi's air quality index (AQI) in the early afternoon of December 12th was 267.

Báo Nhân dân

12/12/2025

Urgent action needed to address air pollution in Hanoi.

Báo Tin Tức

11/12/2025

Today, February 20th, Hanoi ranks first in the world for air pollution.

Người Lao Động

20/02/2025